fruitless
adj.
mid-14c., "unprofitable," from fruit + -less. Meaning "barren, sterile" is from 1510s. Related: Fruitlessly; fruitlessness.
| 词汇 | fruitless | 
| 词根词缀 | Online Etymology Dictionary fruitless adj. mid-14c., "unprofitable," from fruit + -less. Meaning "barren, sterile" is from 1510s. Related: Fruitlessly; fruitlessness. | 
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